Ducting Collar 4" - Galvanized Steel water-pumps-&-irrigation-supplies Does not add excess moisture

Does not add excess moisture to flowers

This electrode features an integrated microchip which stores calibration data

Packing: 50 units per case

Roots Organics Extreme Serene organic liquid kelp extract is a natural source of growth with compounds specifically targeted to encourage vigorous growth

Shake well before use

Ducting Collar 4" - Galvanized Steel water-pumps-&-irrigation-supplies Does not add excess moistureA steel ducting flange designed for use with applications like tumble dryers, bathroom fans, and range hoods. Crimped rims and raised lip on the duct opening for enhanced grip on ducting. Flat brim that lays flush against all flat surfaces and creates an airtight seal to keep particles out. Galvanized steel body that is corrosion resistant and can withstand high temperatures. Ducting Opening Diameter: 4 inches Collar Diameter: 7 inches Finish: Zinc